Hi Rob Can I continue this idea (= property on port/endpoint) ? Of course I will remove "type" from OF graph. > > > + type = "sound"; > > > > I'm still not convinced this is necessary. This is implied either by > > the fact there is only one port or perhaps the compatible string. > > Do you mean "on this sample" ? or in general ? > Indeed this sample is definitely for sound, so type is very clear > without property. > But in general, for example HDMI, it want to know port type. > Anyway, I can remove above "type" from this new sound driver. > > > > +rcar_sound { > > > + ... > > > + port { > > > + compatible = "asoc-simple-graph-card"; > > > + > > > + simple-audio-card,format = "left_j"; > > > + simple-audio-card,bitclock-master = <&ak4643_port>; > > > + simple-audio-card,frame-master = <&ak4643_port>; > > > > Don't add a bunch of properties with in port and endpoint nodes. The > > purpose is to describe the graph. Put these in the parent node or > > perhaps the codec node. > > These properties are needed on each ports/endpoints on sound at this point. > If ports/endpoints can't include these, I need to separate these, > is it correct approach ? ?? see below > > -- current style -- > > ports { > compatible = "asoc-simple-graph-card"; > simple-audio-card,name = "graph-sound"; > > port@0 { > simple-audio-card,format = "left_j"; > simple-audio-card,bitclock-master = <&rcar_ak4613_port>; > simple-audio-card,frame-master = <&rcar_ak4613_port>; > > type = "sound"; > rcar_ak4613_port: endpoint { > remote-endpoint = <&ak4613_port>; > playback = <&ssi0 &src0 &dvc0>; > capture = <&ssi1 &src1 &dvc1>; > }; > }; > port@1 { > simple-audio-card,format = "i2s"; > simple-audio-card,bitclock-master = <&rcar_hdmi0_port>; > simple-audio-card,frame-master = <&rcar_hdmi0_port>; > type = "sound"; > rcar_hdmi0_port: endpoint { > remote-endpoint = <&du_out_hdmi_snd0>; > playback = <&ssi2>; > }; > }; > port@2 { > simple-audio-card,format = "i2s"; > simple-audio-card,bitclock-master = <&rcar_hdmi1_port>; > simple-audio-card,frame-master = <&rcar_hdmi1_port>; > type = "sound"; > rcar_hdmi1_port: endpoint { > remote-endpoint = <&du_out_hdmi_snd1>; > playback = <&ssi3>; > }; > }; > }; > > -- separate style -- > > ports { > port@0 { > rcar_ak4613_port: endpoint { > } > }; > port@1 { > rcar_hdmi0_port: endpoint { > } > }; > port@2 { > rcar_hdmi1_port: endpoint { > } > }; > }; > > sound-xxx { > compatible = "asoc-simple-graph-card"; > > port@0 { > simple-audio-card,format = "left_j"; > simple-audio-card,bitclock-master = <&rcar_ak4613_port>; > simple-audio-card,frame-master = <&rcar_ak4613_port>; > }; > port@1 { > simple-audio-card,format = "i2s"; > simple-audio-card,bitclock-master = <&rcar_hdmi0_port>; > simple-audio-card,frame-master = <&rcar_hdmi0_port>; > }; > port@2 { > simple-audio-card,format = "i2s"; > simple-audio-card,bitclock-master = <&rcar_hdmi1_port>; > simple-audio-card,frame-master = <&rcar_hdmi1_port>; > }; > }; > > Best regards > --- > Kuninori Morimoto -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html